package seed

import (
	"regexp"
	"testing"
)

func TestMockEntityIdentitiesAreStableAndUnique(t *testing.T) {
	identityPattern := regexp.MustCompile(
		`^00000000-0000-7000-8000-[0-9]{12}$`,
	)
	seen := make(map[string]struct{}, 46)
	for sequence := 1; sequence <= 46; sequence++ {
		record := entity(sequence, "enabled")
		if !identityPattern.MatchString(record.Identity) {
			t.Fatalf("entity(%d) identity = %q", sequence, record.Identity)
		}
		if _, exists := seen[record.Identity]; exists {
			t.Fatalf("duplicate identity %q", record.Identity)
		}
		seen[record.Identity] = struct{}{}
		if record.Status != "enabled" || record.Version != 1 {
			t.Fatalf("entity(%d) has unexpected defaults: %#v", sequence, record)
		}
	}
}

func TestIdentityOfEmbeddedEntity(t *testing.T) {
	record := struct {
		Entity struct {
			Identity string
		}
	}{}
	record.Entity.Identity = "mock-identity"
	if got := identityOf(&record); got != record.Entity.Identity {
		t.Fatalf("identityOf() = %q, want %q", got, record.Entity.Identity)
	}
	if got := identityOf(nil); got != "" {
		t.Fatalf("identityOf(nil) = %q, want empty", got)
	}
}